Mark Steven Sugar, M.D.

Primary specialty

Allergy PhysicianTaxonomy code 207KA0200X

License

C032628 Issued in CA

Practice address

28202 Cabot Rd Ste 105
Laguna Niguel, CA 92677-1247

Phone

(949) 364-2900

Fax

(949) 365-0117

NPI assigned

Jun 12, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Allergy/Immunology

Education

University of Maryland School of Medicine, 1969

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Allergy and Asthma Associates of Southern Calif IncGroup PAC ID 9638260664, 6 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

77.99 of 100Reported as group

Quality

93.61

Improvement activities

40

Cost

35.14

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.140.70102

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Allergy & Asthma Associates of Southern Calif Inc

  • Allergy Physician
  • Laguna Niguel, CA
  • NPI 1164523122
  Medicare reassignment Care Compare group NPD
• Oso Specialty Infusion, Inc.

  • Infusion Therapy Clinic/Center
  • Irvine, CA
  • NPI 1700305505
  Medicare reassignment NPD
• Long Beach Gastroenterology Associates

  • Gastroenterology Physician
  • Long Beach, CA
  • NPI 1003829797
  NPD
• Children's Hospital at Mission

  dba Rady Children's Hospital

  • Children's Hospital
  • Mission Viejo, CA
  • NPI 1699868398
  NPD (past)
• Mission Hospital Regional Medical Center

  dba Providence Mission Hospital

  • Rehabilitation Hospital
  • Mission Viejo, CA
  • NPI 1003956913
  NPD (past)
• Oso Home Care, Inc.

  • Home Infusion Agency
  • Irvine, CA
  • NPI 1215966205
  NPD (past)
• Saddleback Memorial Medical Center

  • Rehabilitation Hospital Unit
  • Laguna Hills, CA
  • NPI 1114967114
  NPD (past)
• University of California Irvine

  dba Uci Health

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1150070400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752192000000",
    "number": "1013959253",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "28202 CABOT RD STE 105",
            "city": "LAGUNA NIGUEL",
            "state": "CA",
            "postal_code": "926771247",
            "telephone_number": "949-364-2900",
            "fax_number": "949-365-0117"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "28202 CABOT RD STE 105",
            "city": "LAGUNA NIGUEL",
            "state": "CA",
            "postal_code": "926771247",
            "telephone_number": "949-364-2900",
            "fax_number": "949-365-0117"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15785 Laguna Canyon Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Irvine",
            "state": "CA",
            "postal_code": "926183166",
            "country_code": "US",
            "telephone_number": "949-364-2900",
            "fax_number": "949-365-0117",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SUGAR",
        "first_name": "MARK",
        "middle_name": "STEVEN",
        "name_prefix": "Mr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-12",
        "last_updated": "2025-07-11",
        "certification_date": "2025-07-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207KA0200X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology, Allergy",
            "state": "CA",
            "license": "C032628",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Steve Stone, CMT
• Angela Johnson Stowe, NP
• Stuart T Anderson, Inc.
• Stutzi Inc
• Craig Allan Stutzman, D.C.
• Ross Lason Sugiyama, PT DPT
• Penny Rose Sullenger, LMFT
• Marianne Sullivan, P.T.
• Summerbreeze Cottage LLC
• Sunshine Kids Pediatric Therapy Inc

• Allergy Physician in Laguna Niguel, CA
• Providers in Laguna Niguel, CA by specialty
• Allergy Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.